Commit 0ea60b5a authored Jan 09, 2006 by Jens Axboe

[BLOCK] bio: init ->bi_bdev in bio_init()



For SG_IO requests, bio->bi_bdev may not be explicitly initialized. So make
bio_init() clear the field to make sure it's always NULL or valid.

Signed-off-by: Jens Axboe <axboe@suse.de>

parent 769db45b

fs/bio.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -126,6 +126,7 @@ static void bio_fs_destructor(struct bio *bio)
		inline void bio_init(struct bio *bio)
		{
		bio->bi_next = NULL;
		bio->bi_bdev = NULL;
		bio->bi_flags = 1 << BIO_UPTODATE;
		bio->bi_rw = 0;
		bio->bi_vcnt = 0;